CHAMOTTE NP 35/B

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 35,00
Fe2O3(max%) 4,00
Refractoriness (CS/DIN) min. 32,00
Water absorption (%) max. 4,00
Bulk density (g/cm3) min. 2,45

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 37,47 35,00 - 39,00
Fe2O3 3,80 3,50 - 4,00
TiO2 1,23 1,20 - 1,40
K2O 1,02 0,90 - 1,30
Na2O 0,09 0,05 - 0,15
CaO 0,23 0,20 - 0,50
MgO 0,28 0,20- 0,50
SiO2 55,90 58,90 - 55,10
Loss on ignition 0,13 0,10 - 0,30
Physical properties    
Refractoriness (CS/DIN) 32 32 - 32/33
Water absorption (%) 2,30 1,80 - 4,00
Bulk density (g/cm3) 2,53 2,45 - 2,59
Temperature of calcination (°C) 1 250
Calcined at Rotary kiln
Mineralogical properties    
Mullit 35,00 -
Cristobalit 4,00 -
Quartz 7,00 -